6 papers
Online Material-Labeled Environment Reconstruction via Bayesian Multipath Attribution for Low-Altitude ISAC
Meihui Liu, Shu Sun, Ruifeng Gao +1
Environment reconstruction for low-altitude integrated sensing and communications (ISAC) has largely focused on geometry-centric maps, overlooking material-dependent propagation ef…
Hierarchical Beam Training and Codebook Design for Movable Antenna-Assisted Near-Field Systems
Meihui Liu, Qian Zhang, Xuejun Cheng +3
As sixth-generation (6G) communication systems evolve toward higher frequency bands and larger array apertures, the near-field range expands rapidly, making near-field channel esti…
Joint Power Allocation and Phase-Shift Design for Beyond-Diagonal Stacked Intelligent Metasurfaces-Aided ISAC Systems
Yuhui Jiao, Qian Zhang, Xuejun Cheng +3
Stacked intelligent metasurfaces (SIM) provide an efficient architecture for integrated sensing and communication (ISAC) with few radio-frequency (RF) chains. However, diagonal SIM…
Fusion of Monostatic and Bistatic Sensing for ISAC-Enabled Low-Altitude Environment Mapping
Liu Meihui, Sun Shu, Gao Ruifeng +2
Driven by the rapid growth of the low-altitude economy, integrated sensing and communication (ISAC) technologies are essential to meet the stringent demands for reliable connectivi…
Beamforming Optimization for Extremely Large-Scale RIS-Aided Near-Field Secure Communications
Xiaotong Xu, Qian Zhang, Yunxiao Li +3
This paper studies an extremely large-scale reconfigurable intelligent surface (XL-RIS)-aided near-field physical layer security (PLS) communication system, aiming to maximize the…
Beamforming Design for ISAC Systems with Suppressed Range-Angle Sidelobes
Meihui Liu, Shu Sun, Ruifeng Gao +1
Integrated sensing and communication (ISAC) represents a pivotal advancement for future wireless networks. This paper introduces a novel ISAC beamforming method for enhancing sensi…